1054531851 has 4 divisors (see below), whose sum is σ = 1406042472. Its totient is φ = 703021232.

The previous prime is 1054531847. The next prime is 1054531889. The reversal of 1054531851 is 1581354501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054531851 - 2² = 1054531847 is a prime.

It is a super-2 number, since 2×1054531851² = 2224074849546972402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054521851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175755306 + ... + 175755311.

It is an arithmetic number, because the mean of its divisors is an integer number (351510618).

Almost surely, 2^1054531851 is an apocalyptic number.

1054531851 is a deficient number, since it is larger than the sum of its proper divisors (351510621).

1054531851 is an equidigital number, since it uses as much as digits as its factorization.

1054531851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351510620.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 1054531851 is about 32473.5561803754. The cubic root of 1054531851 is about 1017.8565301137.

The spelling of 1054531851 in words is "one billion, fifty-four million, five hundred thirty-one thousand, eight hundred fifty-one".